Infections
Obesity triples risk of severe infections
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A new study reveals that people with severe obesity face a significantly higher risk of severe or fatal infections. Drawing on data from over 540,000 individuals in the UK and Finland, the risk for grade 3 obesity is three times higher than for those of normal weight. Researchers warn of rising global obesity rates.
A study of over 375,000 Finns has linked hospital treatment for severe infections like cystitis and pneumonia to a higher risk of developing dementia within five to six years. Researchers identified 29 conditions associated with at least a 20 percent increased risk, with infections playing a key role. The findings suggest that preventing such infections could help modify dementia risk.
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A new Norovirus variant, GII.17, is causing an unusually early and strong rise in infection numbers in Germany. By mid-November 2025, the Robert Koch Institute reports 5396 confirmed cases, compared to 4107 the previous year. Experts warn of a big season and emphasize the importance of hygiene measures.